Insulated wall panel



FIG. 1 is a front perspective view of an insulated wall panel showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is an enlarged partial front perspective view, showing the top and bottom portions of the wall panel;

FIG. 4 is top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view;

FIG. 7 is a right elevational view thereof;

FIG. 8 is a front elevational view thereof; and,

FIG. 9 is a rear elevational view thereof. 

The ornamental design for insulated wall panel, as shown and described. 